const http=require('http')

const server=http.createServer()

server.on('request',(req,res)=>{
    const url=req.url

    let content=`<h1>404 not found!!!</h1>`

    if(url==='/'||url==='/index.html'){
        content=`<h1>首页</h1>`
    }
    else if(url==='/about.html'){
        content=`<h1>关于</h1>`
    }
    res.setHeader('Content-Type','text/html;charset=utf8')

    res.end(content)

})


server.listen(80,()=>{
    console.log('server running ar http://127.0.0.1')
})